Retaining Wall Design and Slope Stabilization Techniques
DISCLAIMER
Before purchasing, review the rules of your licensing or certifying entity. It is your responsibility to confirm this course meets your CE requirements. See the credit tab on the course page for details.
What’s Included: Full webinar recording, written course materials, expert instruction, a mandatory quiz, and a certificate upon completion.
Deliverability Timeline: All courses are generally available within 1-2 weeks after the live presentation.
CE Credits: AIA and/or LA/CES accreditation is available by request for courses recorded prior to March 11, 2026. All courses after that date include those accreditations by default, if applicable. With these accreditations, our courses qualify for credit in nearly all states for engineers, surveyors, architects, and landscape architects.
Learn more about the on-demand format in our FAQ or contact us at (715) 835-5900 or customerservice@halfmoonseminars.org
Agenda
Due to health and safety concerns regarding the COVID-19 virus, this seminar has been cancelled. This program will be presented as an interactive webinar by the same presenter on Thursday, April 23, 2020.
Please follow this link to register for the new listing: https://www.halfmoonseminars.org/seminars/133358/retaining-wall-design-and-slope-stabilization-techniques-seminar/online
Types of Retaining Walls
Traditional cantilevered retaining walls
• Reinforced concrete walls
• Reinforced concrete masonry walls
Soldier pile and lagging walls
Traditional timber walls
Traditional gravity walls
Reinforced soil retaining walls
Anchored retaining walls (tie-backs, soil nailing, etc.)
Temporary retaining walls
Over-steepened reinforced slopes
Gabion walls
Crib walls
Private-sector vs. highway retaining wall systems
Cost of retaining walls
Retaining Wall Design
Soil design parameters
Lateral earth pressure
External stability
• Sliding
• Overturning
• Bearing capacity
• Settlement
• Scour
Internal stability
Global stability
Special considerations for tiered retaining walls
Backfill
Groundwater
Service life
Design software
Slope Stabilization
Science of slope stability
Surficial vs. deep-seated slope stability
Long term vs. short term stability
Slope stabilization techniques
• Regrading
• Excavation and replacement
• Slope reinforcement/pinning
• Ground improvement
• Toe retaining walls
Retaining Wall and Slope Stabilization Case Histories
Commercial, residential projects
Highway and institutional projects
Credits
Architects
7.0 HSW Continuing Ed. Hours
7.0 AIA LU|HSW
Professional Engineers
7.0 PDHs
Landscape Architects
7.0 HSW Clock Hours
7.0 LA CES HSW PDHs
Floodplain Managers
7.0 ASFPM CECs
Continuing Education Credit Information
This seminar is open to the public. It offers 7.0 HSW continuing education hours to architects (non-mandatory in PA) and landscape architects and 7.0 PDHs to professional engineers in most states, including Pennsylvania. Educators and courses are not subject to preapproval in Pennsylvania.
This seminar is approved by the American Institute of Architects Continuing Education System for 7.0 LU|HSW (Provider No. J885) and the Landscape Architecture Continuing Education System for 7.0 HSW PDHs. Visit www.halfmoonseminars.org for complete AIA/CES course information under this seminar listing. Only full attendance is reportable to the AIA/CES and LA/CES.
HalfMoon Education is an approved continuing education sponsor for architects and engineers licensed in Florida. HalfMoon Education is an approved continuing education sponsorfor engineers in Florida, Indiana, Maryland, New Jersey (Approval No. 24GP00000700), North Carolina, and North Dakota. HalfMoon Education is deemed an approved continuing education provider for New York architects, landscape architects, and professional engineers.
The Association of State Floodplain Managers has approved this event for 7.0 CECs.
This seminar offers a non-mandatory continuing education opportunity for construction contractors. It has not been reviewed by any state contractor licensing entity with a continuing education requirement.
Attendance will be monitored, and attendance certificates will be available after the seminar for most individuals who complete the entire event. Attendance certificates not available at the seminar will be mailed within 15 business days.
Speakers
Daniel P. Messmer, P.E., D. GE
Project Manager with The Gateway Engineers, Inc., in PittsburghMr. Messmer has over 30 years of engineering experience in analysis, design, plan/specification development, and project management/personnel supervision for geotechnical, foundation and structural engineering projects in the transportation, industrial, municipal and commercial fields of civil engineering. Throughout his career he has placed an emphasis on quality control and staff training. Mr. Messmer is a member of the American Society of Civil Engineers, the American Concrete Institute, the American Society of Highway Engineers and the Society of American Military Engineers. He earned his B.S. degree in Civil Engineering from the University of Pittsburgh. Mr. Messmer was accepted into the Academy of Geo-Professionals in 2013.
AIA Info
AIA Provider Statement:
HalfMoon Education Inc. is a registered provider of AIA-approved continuing education under Provider Number J885. All registered AIA/CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider of learning program may be sent to AIA/CES (cesupport@aia.org or (800) AIA 3837, Option 3).
This learning program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product.
AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.
Course Title: Retaining Wall Design and Slope Stabilization Techniques.
Delivery Method: Live
Course Description: This 7.0 hour live lecture presentation covers the types of retaining walls and their applications, retaining wall design based on soil parameters, loads and other site conditions, and slope stabilization strategies.
Learning Objectives:
Learning Objective 1:
Learners will be able to differentiate the types of forces that act on retaining walls.
Learning Objective 2:
Learners will be able to describe methods to achieve slope stability, including regrading, slope reinforcement/pinning, ground improvement, retaining structures, and excavation and replacement.
Learning Objective 3:
Learners will be able to identify and explain the features and applications of various types of retaining walls.
Learning Objective 4:
Learners will be able to describe the factors that must be considered when designing a retaining wall, including soil design parameters, lateral earth pressure, bearing capacity, settlement, groundwater, and backfill.
LUs: 7.0 LU Type: LU|HSWs.
Prerequisites: Experience with site evaluations and earthwork.
Advance Preparation: None
Program Level: Intermediate
Course Expiration Date: 03/01/2022
Complaint Resolution Policy:
Complaints regarding this course can be emailed to doug@halfmoonseminars.org or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation.